Which patient groups have the highest prevalence of Behçet disease?

Updated: Dec 21, 2020
  • Author: Nicole Davey-Ranasinghe, MD; Chief Editor: Herbert S Diamond, MD  more...
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Answer

The prevalence of Behçet disease is highest in Middle Eastern and Japanese populations.

The sex prevalence varies by country. In the Middle East, Behçet disease is more common among males, with male-to-female ratios of 3.8:1 (Israel), 5.3:1 (Egypt), and 3.4:1 (Turkey). In Germany, Japan, and Brazil, the disease is slightly more common in females. In the United States, Behçet disease is more common in females (5:1 female-to-male ratio). [18, 28]

Males are more likely to develop severe presentations of Behçet disease. Pulmonary aneurysms, eye involvement, thrombophlebitis, and neurologic disease are all more common in males. However, females are more likely to develop erythema nodosum–like skin lesions.

Behçet disease is most common in persons aged 20-40 years. The mean age at onset is 25-30 years. Cases that develop before age 25 years are more likely to involve eye disease and active clinical disease.


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